Caffeine, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 58-08-2

2,4'-DDD, 100 µg/ml, Methanol, 1ml

Set Up Mixture 2 S-4265 2 Analytes Units: Use this standard to verify that all instrument components, temperatures, and cut times are accurate. Name: Wt. % ETBE (Ethyl tert-butyl ether) 5,0 Isooctane 95,0

1,2,3,4,6,7,9-Heptachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene